package com.itheima;

/**
 * @author Yao
 * @date 2020/6/21 0021
 **/
public class Test1 {
    public static void main(String[] args) {
        Zi zi = new Zi();
        zi.show();
    }
}

class Fu{
    int i=10;
    void show(){}
}
class Zi extends Fu{
    int i=20;

    void show1(){
        int i=30;
        System.out.println(i);
    }
}

